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Old July 18, 2012, 11:41 PM   #6
Senior Member
Join Date: January 27, 2010
Location: Norfolk, VA
Posts: 2,905
Filing will remove the metal. You might want to try reforming the ridges with a small triangular punch by working the metal back where it was, before filing.
Did I mention that they called me "Shakes the Clown" during flight school?

Honestly, I'll probably have better luck with just re-cutting the damaged parts of the grooves and leaving the flattened portions as-is, or possibly even flattening all of the ridge ends to make them uniform before re-finishing it.
ScottRiqui is offline  
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